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#! /bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/snapshot/snapshot.cfg
#
# DESCRIPTION:
# An archive of a zfs file system and an archive of its snapshot
# is identical even though the original file system has
# changed since the snapshot was taken.
#
# STRATEGY:
# 1) Create files in all of the zfs file systems
# 2) Create a tarball of the file system
# 3) Create a snapshot of the dataset
# 4) Remove all the files in the original file system
# 5) Create a tarball of the snapshot
# 6) Extract each tarball and compare directory structures
#
verify_runnable "both"
function cleanup
{
[ -d $CWD ] && log_must cd $CWD
snapexists $SNAPFS && log_must zfs destroy $SNAPFS
[ -e $SNAPDIR ] && log_must rm -rf $SNAPDIR
[ -e $TESTDIR ] && log_must rm -rf $TESTDIR/*
[ -d "$SNAPSHOT_TARDIR" ] && log_must rm -rf $SNAPSHOT_TARDIR
}
log_assert "Verify an archive of a file system is identical to " \
"an archive of its snapshot."
SNAPSHOT_TARDIR="$(mktemp -d /tmp/zfstests_snapshot_002.XXXXXX)"
log_onexit cleanup
typeset -i COUNT=21
typeset OP=create
[ -n $TESTDIR ] && rm -rf $TESTDIR/*
log_note "Create files in the zfs filesystem..."
typeset i=1
while [ $i -lt $COUNT ]; do
log_must file_write -o $OP -f $TESTDIR/file$i \
-b $BLOCKSZ -c $NUM_WRITES -d $DATA
(( i = i + 1 ))
done
log_note "Create a tarball from $TESTDIR contents..."
CWD=$PWD
log_must cd $TESTDIR
log_must tar cf $SNAPSHOT_TARDIR/original.tar .
log_must cd $CWD
log_note "Create a snapshot and mount it..."
log_must zfs snapshot $SNAPFS
log_note "Remove all of the original files..."
log_must rm -f $TESTDIR/file*
log_note "Create tarball of snapshot..."
CWD=$PWD
log_must cd $SNAPDIR
log_must tar cf $SNAPSHOT_TARDIR/snapshot.tar .
log_must cd $CWD
log_must mkdir $TESTDIR/original $TESTDIR/snapshot
CWD=$PWD
log_must cd $TESTDIR/original
log_must tar xf $SNAPSHOT_TARDIR/original.tar
log_must cd $TESTDIR/snapshot
log_must tar xf $SNAPSHOT_TARDIR/snapshot.tar
log_must cd $CWD
log_must directory_diff $TESTDIR/original $TESTDIR/snapshot
log_pass "Directory structures match."
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